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  2. en.wikipedia.org › wiki › Intel_4004Intel 4004 - Wikipedia

    The standard arrangement for a 4004 system is anything up to 16 × 4001 ROM chips (in a single bank) and 16 × 4002 RAM chips (in four banks of four), which together provide the 4 KB program storage, 1024 + 256 nibbles of data/status storage, plus 64 output and 64 input/output external data/control lines (which can themselves be used to operate ...

  3. www.intel.com › content › wwwThe Story of the Intel® 4004

    It included a central processing unit (CPU) chip—the 4004—as well as a supporting read-only memory (ROM) chip for the custom applications programs, a random-access memory (RAM) chip for processing data, and a shift-register chip for the input/output (I/O) port.

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  5. www.intel.com › newsroom › resourcesIntel 4004

    Nov 15, 2021 · In 1969, Nippon Calculating Machine Corp. approached Intel to design custom integrated circuits for its new Busicom 141-PF printing calculator. The 4004 was one of four chips Intel designed for the machine.

  6. www.howtogeek.com › 766783 › the-microprocessor-isThe Microprocessor Is 50: Celebrating the Intel 4004

    Nov 12, 2021 · Microprocessor technology has dramatically changed since 1971, when Intel's 4004 CPU ran at a mere 740 KHz and contained only 2,250 transistors using a 10 micrometer process. To show just how dramatically things have changed, we've compared the 4004 with Intel's latest top-of-the-line desktop CPU, the recently-announced Intel Core i9-12900K .

  7. spectrum.ieee.org › chip-hall-of-fame-intel-4004Chip Hall of Fame: Intel 4004 Microprocessor - IEEE Spectrum

    Jul 2, 2018 · The Intel 4004 was the world’s first microprocessor—a complete general-purpose CPU on a single chip. Released in March 1971, and using cutting-edge silicon-gate technology, the 4004 marked the beginning of Intel’s rise to global dominance in the processor industry.

  8. www.xda-developers.com › on-this-day-intel-4004On this day, the Intel 4004, the world's first commercially ...

    Nov 15, 2023 · Intel 4004: A CPU. This system, when fully expanded, could interface with 16 4001 chips for a total of 4KB ROM, 16 4002 chips for 640 bytes of RAM, and any number of Intel 4003 chips.

  9. www.pcmag.com › news › how-the-4004-changed-the-worldThe Microprocessor at 50: How the 4004 Changed The World

    Nov 15, 2021 · The 4004 was a single silicon chip that measured one-eighth by one-sixth of an inch with 2,250 individual circuit elements.

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